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GB/T 6995.4-2008 English PDF (GBT6995.4-2008)

GB/T 6995.4-2008 English PDF (GBT6995.4-2008)

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GB/T 6995.4-2008: Markings for electric wires and cables -- Part 4: Identifications of insulated conductors of cables and wires for electrical appliances and equipment

This Part of GB/T 6995 is applicable to the identification markings for the insulated conductor of wires and cables for rubber-insulated and plastic insulated electrical appliances and equipments.
GB/T 6995.4-2008
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 29.060.20
K 13
Replacing GB 6995.4-1986
Markings for Electric Wires and Cables -
Part 4. Identifications of Insulated Conductors of
Cables and Wires for Electrical Appliances and
Equipments
ISSUED ON. JUNE 18, 2008
IMPLEMENTED ON. MARCH 1, 2009
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the PEOPLE Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Conductor identification ... 5
4 Identification of earthing conductor or similar protection-oriented
conductors ... 6
5 Identification for the conductor of the neutral wire ... 6
6 Identification of other conductors ... 6
Foreword
GB/T 6995 "??Markings for electric wires and cables" is divided into five parts. - Part 1. General requirements;
- Part 2. Standard colours;
- Part 3. Identifications of cables and wires;
- Part 4. Identifications of insulated conductors of cables and wires for electrical appliances and equipments;
- Part 5. Identifications of insulated cores of power cables.
This Part is part 4 of GB/T 6995.
This Part replaces GB 6995.4-1986 ?€?Markings for electric cables and wires - Part 4. Identifications of insulated conductors of cables and wires for electrical appliances and equipments?€?.
Compared with GB 6995.4-1986, the main changes of this Part are as follows. - Add the chapter ?€?Normative References?€? (see Chapter 2);
- The chapter and clause numbers of ?€?Conductor Identification?€? are adjusted; the numbers for the ?€?Identification of Earthing Conductor or Similar Protection- oriented Conductors?€? are adjusted accordingly (Chapter 2 and Chapter 3 of previous edition; Chapter 3 and Chapter 4 of this edition);
- Add the chapter ?€?Identification of Neutral Wire Conductor?€? (see Chapter 5); - Adjust the chapter and clause numbers of ?€?Identification of Other Conductors?€? (Chapter 4 of previous edition; Chapter 6 of this edition);
- In Table 1, the 2.7 in the first column is modified to be 2.4 (Table 1 of previous edition; Table 1 of this edition).
This Part was proposed by China Electrical Equipment Industrial Association. This Part shall be under the jurisdiction of National Technical Committee on Wires and Cables of Standardization Administration of China (SAC/TC 213).
Main drafting organizations of this Part. Shanghai Electric Cable Research Institute. Participating drafting organizations of this Part. Shanghai Surrey Polymers Co., Ltd., Jinshan Electric Wire and Cable Co., Ltd., Tianjin, Far East Holding Group Co., Ltd., Markings for Electric Wires and Cables -
Part 4. Identifications of Insulated Conductors of Cables
and Wires for Electrical Appliances and Equipments
1 Scope
This Part of GB/T 6995 is applicable to the identification markings for the insulated conductor of wires and cables for rubber-insulated and plastic insulated electrical appliances and equipments.
In addition to the requirements of this Part, markings for insulated conductors shall also meet the corresponding requirements of GB/T 6995.1-2008 and GB/T 6995.2- 2008.
2 Normative references
The following documents contain the provisions which, through reference in this Part of GB/T 6995, become the provisions of this Standard. For dated references, their subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard. However, the parties who enter into agreement based on this Standard are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Part. GB/T 6995.1-2008 Markings for electric wires and cables - Part 1. General requirements
GB/T 6995.2-2008 Markings for electric wires and cables - Part 2. Standard colours 3 Conductor identification
3.1 Colour and number identification markings are adopted in the insulated conductors of wires and cables for the electrical appliances and equipments. 3.2 For cables with 5 conductors or below, colour identification is preferred. 3.3 For cables with more than 5 conductors, the colour identification or number identification can be adopted.

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